The loan repayment voucher shall be stamped with the business seal of the rural credit cooperative, and the official seal may be affixed under special circumstances.

Usually, it can also be stamped with a special business seal. Mainly based on the purpose of the repayment voucher and the demand side's conditions.

If it is used to prove to financial institutions that the payment has been settled, it is enough to affix a special business seal.

If it is to prove the repayment fact to the government department, it may be necessary to affix the official seal of the credit union.